Home / 40,081.78-60,082.62-18,984.34

Finding the Fourth Proportional to 40,081.78, 60,082.62 and 18,984.34

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Solution

The fourth proportional to 40,081.78, 60,082.62 and 18,984.34 is: 28,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.78 : 60,082.62 = 18,984.34 : x
  2. Step 2: Convert to fraction form
    40,081.78/60,082.62 = 18,984.34/x
  3. Step 3: Cross multiply
    40,081.78x = 60,082.62 × 18,984.34
  4. Step 4: Simplify right side
    40,081.78x = 1,140,628,886.17
  5. Step 5: Solve for x
    x = 1,140,628,886.17/40,081.78
  6. Step 6: Final answer
    x = 28,457.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.